(Based on Use in Commerce) Educational publications, namely, training manuals in the field of plumbing and mechanical codes focusing on the application of hydronics to commercial buildings(Based on Intent to Use) Books in the field of plumbing and mechanical codes focusing on the application of hydronics to commercial buildings; Magazines in the field of the application of hydronics to commercial buildings

Indicating membership in a(n) to indicate membership in an organization of hydronic hot water radiant heating system companies